The 891-175186-501 from M2 Global Technology is a RF & Microwave Isolator with Frequency 1.75 to 1.86 GHz, Average Power Forward 200 W, Average Power Reverse 10 W, Insertion Loss 0.32 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for 891-175186-501 can be seen below.